Word origin · etymology
Modern school name and geographic label.
Uranian draws on Uranus; Hamburg School names the German city associated with Alfred Witte's circle. Neither expression is an ancient system-name.
How we know · epistemology
System-specific sources and conventions
This entry covers Uranian / Hamburg School. Its cited texts document the methods or teachings being compared; any computed result depends on the stated inputs and rules. Historical attestation and reproducible arithmetic do not by themselves test a personal interpretation.
Witte-Verlag: Alfred Witte's method ↗Swiss Ephemeris: hypothetical bodies ↗
Connected concepts
Browse other concepts in System gateways →
These links connect subjects and terminology. They do not establish a shared historical origin.
Sources & provenance
Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.